| 摘要 |
The present invention is directed to a working fluid composition for refrigerating machine comprising: a hydrofluorocarbon and an ester formed between a neopentylpolyol and a saturated branched aliphatic monocarboxylic acid having a carbon number of 7 to 9. The working fluid composition of the present invention is excellent in compatibility, lubricity, thermal stability and insulating property. |
